Thanks to the application of new farming methods,output is now six times          _____it was  before 2000.
#71709
A
that
B
what
C
which
D
how
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        that they may eventually reduce the amount of labor needed on construction sites by 90 percent.
#69828
A
Such construction robots are clever
B
So clever the construction robots are
C
Such clever construction robots are
D
So clever are the construction robots